“…In addition, 47% of these teachers use ICT as a pedagogical tool in their PE classes; however, many of our participants confirm that their PE teacher almost never uses them. The technological devices have many free or low-cost applications, are easy to use, and can be used in research to determine the levels of physical activity performed by students, among other characteristics [25]. As for the mobile application to help us in our intervention, there were two fundamental criteria: that it be free so that all students could participate, and that it offered reliable and attractive data, to attract the attention of the students.…”